GCSE OCR Physics B Paper 1 Automarked EMock

#1. What is this component?

#2. What is the shortest wavelength of visible light

orange

violet

red

indigo

blue

yellow

green

#3. The potential danger associated with an electromagnetic wave increases with?

decreasing frequency

increasing frequency

#4. How can electrons change orbits?

randomly changing orbits

by absorbing electromagnetic radiation

being struck by a proton

#5. The force on a conductor carrying current at right angles to a magnetic field is expressed by which of the following equations?

F = magnetic flux density x resistance x current

F = magnetic flux density / current x length

F = magnetic flux density x current x length

#6. If a car is moving but the forces are balanced – what will happen to the speed of the car?

will stay constant

will accelerate

will decelerate

#7. Is natural gas a fossil fuel?

yes

no

partially

#8. Kate and Emma both walk up 10 stairs, moving 4.5m higher than before. Emma does this in 2.7 seconds, Kate does this in 3.2 seconds. Which girl has exerted the most power?

Emma

Kate

#9. Is oil a fossil fuel?

partially

no

yes

#10. What do we call energy that is stored in twisted or stretched materials?

#11. What is displacement?

how far from the equilibrium point the wave has oscillated

the maximum displacement of a wave

the number of waves passing a point each second

the distance of one entire oscillation

the time taken for a full oscillation

#12. What the the most dense state of matter?

gases

plasma

liquids

solids

#13. Copper is a magnetic material – true or false?

false

true

#14. Is coal a fossil fuel?

partially

yes

no

#15. Complete the sentence: Reaction time is the time between a ……. being detected and a ……..

Response, stimulus

Reaction, stimulus

Interaction, action

Stimulus, response

#16. Which process transfers heat through vibrations between particles?

Conduction

Radiation

Induction

Convection

#17. Switches are both a functional and a safety component of a circuit. Complete the sentence: When switches are closed, no …….. flows around a circuit.

#18. What is this component?

#19. Is momentum a vector or a scalar?

scalar

vector

#20. Iron is a magnetic material – true or false?

false

true

#21. Jack moves a cube weighing 250N. He moves the cube by 2.5m in a straight line. Calculate the work done by Jack. Answers to 1d.p, include the units. ? Do not include your workings in your answer

#22. Magnesium is a magnetic material – true or false?

true

false

#23. Are biofuels renewable?

partially

yes

no

#24. A car makes a journey to the shop and back. Calculate the overall displacement travelled by the car.

#25. Calculate the acceleration of the object in the graph between 5 and 6 seconds.

10 m/s²

20 m/s²

1 m/s²

2 m/s²

This is a straight-line graph.

Calculate the gradient of a straight-line graph using the following:

y₂ – y₁ / x₂ – x₁

30-20/6-5 = 10m/s²

This is the same as a simpler version:

Rise/run

or vertical distance / horizontal distance

#26. Is solar power renewable?

yes

no

partially

#27. Are gases fluids?

No

Yes

#28. Is energy a vector or a scalar?

vector

scalar

#29. Determine the speed of the object between 1 and 3 seconds. ? answer to 2 decimal places

#30. Which of the following is the correct equation for work done?

E = F / d

F = d x E

E = F x d

#31. Calculate the overall distance travelled by the object in the graph.

#32. Which of the following is an advantage of non-renewable energy sources?

They are Intermittent

They have low energy density

They have high energy density

#33. Which of the following is a difference between circuit breakers and fuses?

Fuses are multi-use, circuit breakers are single-use

Fuses are single-use, circuit breakers are multi-use

Fuses are more effective than circuit breakers

#34. Wave speed is linked to wave frequency and wavelength by which equation?

v = f x λ

v = f x a x λ

v = f / λ

#35. What is the function of a variable resistor?

releases light

provides variable resistance

safety component which can break a faulty circuit

gives power to a circuit

two or more cells in a circuit

makes or breaks a circuit

allows current to only flow one way

measures current

provides a constant resistance

measures potential difference

#36. Renewable energy resources mostly get their energy from the same source what is this source?

the sun

the stars

gravity

antimatter

1

#37. What is this component?

#38. Our eyes can detect certain frequencies of light, what do we call these frequencies?

infrared light

ultraviolet light

visible light

#39. Which of the following is the source of coal?

dead plankton from millions of years ago

dead and buried plant material from millions of years ago

nuclear decay from millions of years ago

#40. What is an ion?

an atom which has a different number of neutrons

an atom that has gained or lost electrons

two neutrons without any protons

#41. What is the longest wavelength of electromagnetic radiation

gamma rays

ultraviolet light

infrared

radiowaves

visible light

microwaves

x-rays

#42. Is hydroelectric renewable?

yes

no

partially

#43. A current carrying conductor placed near a magnet experiences a force. The magnet also experiences a force, which is the best description of this force?

Equal and opposite

Equal and perpendicular

Unequal and parallel

Unequal and opposite

#44. What is happening to the speed of the object in the graph between 0 and 8 seconds?

No change

Acceleration

Deceleration

#45. Complete the equation for weight. W = m x ……..

Time

Gravitational field strength

Speed

Momentum

#46. What is induced magnetism?

when water comes close to a magnet it begins to heat up slowly due to the magnetic field

where two bar magnets are placed on top of each other and they rotate due to the magnetic field

temporary magnetic properties which are passed on to magnetic materials in the presence of magnetic fields

#47. Which of the following can be used to measure reaction times?

Select all that apply:

Computer programmes

Thermometers

Electric circuits

Newton meters

#48. What are the units we use for measuring energy?

#49. Complete the sentence: different substances may absorb, transmit, refract or reflect electromagnetic waves in ways that vary with …….

amplitude

wavelength

displacement

#50. Which component is described: A glass tube with a thin wire inside that melts if too much current passes through it, breaking the circuit.

A circuit breaker

A fuse

An earth wire

#51. What is a resultant force?

Where forces are completely balanced

A theoretical force that might exist but only in space

A positive or negative net force when forces in each direction are taken into account

#52. How is gravitational potential energy stored?

Stored as increased mass

Stored as movement

Stored as the potential to fall and become kinetic energy

Stored in gravitational bonds between particles

#53. Complete the equation for power. Power (W) = work done (J) / ……..

time taken (s)

weight (N)

distance (m)

#54. Which of the following are ways that a magnetic field of an electromagnet can be made stronger?

Select all that apply:

Increasing the current flowing through the electromagnet

Placing an iron core inside the coil of wires

Reversing the direction of the current

#55. What is this component?

#56. In a parallel circuit, is the potential difference across each branch –

Different

Equal

#57. In an equilibrium situation – the forces between two objects are?

equal

unequal

diverging

converging

#58. Cavity walls are often used to reduce heat loss through walls – why is this effective?

The gap between the two walls creates a barrier to stop radiation

The gap between the two layers prevents conduction

#59. True or False – Vector quantities only have magnitude?

False

True

#60. What is this component?

#61. Using the equation F = MA – calculate the force of a ball with a mass of 15kg that is accelerated at 2m/s²?

30 Newtons

3 Newtons

10 Newtons

360 Newtons

#62. What is this Sankey Diagram showing?

How internal combustion engines work

Inputs and outputs of energy and their forms, e.g. thermal energy

What the ideal energy transfer looks like for a particular system

#63. Which form of radiation is most ionising?

gamma rays

beta particles

alpha particles

#64. During Ernest Rutherford’s experiments with gold foil, why did some of the particles bounce back?

Alpha particles are positively charged, they were deflected when they met the positively charged protons in the nucleus

He fired electrons at the gold foil and when they met protons they were reflected back

Alpha particles behave in unpredictable ways and can randomly change direction due to quantum effects

#65. What is the name of the phase change from solid to liquid?

sublimation

condensation

freezing

melting

deposition

evaporation/boiling

#66. A train is travelling at 45 miles per hour. The driver puts on the brakes in order to stop at the station. Where is the kinetic energy of the train being transferred to?

Nuclear energy in the rocks below the tracks

Kinetic energy in the rails

Thermal energy in the brakes

#67. What is this component?

#68. What is this component?

#69. What is the name of the phase change from liquid to solid?

sublimation

condensation

freezing

evaporation/boiling

melting

deposition

#70. Which form of radiation is least ionising?

beta particles

alpha particles

gamma rays

#71. Is coal renewable?

yes

no

partially

#72. What wavelength of the electromagnetic spectrum is useful for cooking?

x-rays

visible light

ultraviolet light

infrared

gamma rays

#73. What is the function of a diode?

measures potential difference

gives power to a circuit

measures current

provides variable resistance

releases light

makes or breaks a circuit

provides a constant resistance

allows current to only flow one way

two or more cells in a circuit

safety component which can break a faulty circuit

#74. Which of the following is a disadvantage of tidal energy generation?

there is not enough energy in the tides to produce electricity

salt-water is corrosive

the tides are predictable

#75. Is oil renewable?

yes

no

partially

#76. What is acceleration?

Increase in distance

Change in the rate of velocity

Change in the rate of displacement

#77. What do we call the energy transferred by a force?

Power shift

State change

Work done

#78. The diagram shows a solenoid. Why is the magnetic field stronger along the centre of the coil than on the outside? ? Select two answers

Select all that apply:

The fields cancel out to give a weaker field on the outside

The fields on the inside are stronger due to the nanoelectric effects of electromagnetic induction

The fields add together in the centre and become nearly uniform and strong

The fields of the outside are weaker due to the greater potential difference at the centre of the wires in the coil

#79. What the the least dense state of matter?

liquids

gases

solids

Bose-Einstein Condensates

#80. What is the freezing point of water?

100˚C

66.5˚C

30˚C

25˚C

55˚C

0˚C

#81. Is wind power renewable?

yes

no

partially

#82. True or false – x-rays have longer wavelengths than visible light?

false

true

#83. Magnets have north and south poles – if two north poles are put close together what will happen?

they will repel

they will attract

nothing will happen

#84. Aluminium is a magnetic material – true or false?

false

true

#85. Calculate the change in momentum of an object that experiences a force of 350 N over 15 s. Include the units “kg m/s” in your answer

#86. Why would a wire carrying a current experience a force near a magnetic field?

The copper in the wire is magnetic and naturally experiences magnetic forces in the presence of a magnetic field

The current in the wire creates a magnetic field - this interacts with the other magnetic field, making magnetic forces

#87. What is the purpose of the live wire in a plug?

Provides a return path to the power supply from the appliance

Provides an alternative (low resistance) path for the current in the case of a fault

Connects the appliance to the power supply

#88. Which of the following are reasons why hydroelectric dams are problematic?

Select all that apply:

stops migrations of fish

alters the flow of sediment on a river

stops navigation by boats

can flood villages or important ecosystems

they produce a very reliable amount of energy on demand

#89. Do radio waves have longer wavelengths than microwaves?

Yes

No

#90. When a light wave enters glass or water from the air, does it refract towards or away from the normal line?

Away from the normal

Towards the normal

GCSE OCR Physics B Paper 1

Results

#1. What is this component?

#2. What is the shortest wavelength of visible light

#3. The potential danger associated with an electromagnetic wave increases with?

#4. How can electrons change orbits?

#5. The force on a conductor carrying current at right angles to a magnetic field is expressed by which of the following equations?

#6. If a car is moving but the forces are balanced – what will happen to the speed of the car?

#7. Is natural gas a fossil fuel?

#8. Kate and Emma both walk up 10 stairs, moving 4.5m higher than before. Emma does this in 2.7 seconds, Kate does this in 3.2 seconds. Which girl has exerted the most power?

#9. Is oil a fossil fuel?

#10. What do we call energy that is stored in twisted or stretched materials?

#11. What is displacement?

#12. What the the most dense state of matter?

#13. Copper is a magnetic material – true or false?

#14. Is coal a fossil fuel?

#15. Complete the sentence: Reaction time is the time between a ……. being detected and a ……..

#16. Which process transfers heat through vibrations between particles?

#17. Switches are both a functional and a safety component of a circuit. Complete the sentence: When switches are closed, no …….. flows around a circuit.

#18. What is this component?

#19. Is momentum a vector or a scalar?

#20. Iron is a magnetic material – true or false?

#21. Jack moves a cube weighing 250N. He moves the cube by 2.5m in a straight line. Calculate the work done by Jack. Answers to 1d.p, include the units. ? Do not include your workings in your answer

#22. Magnesium is a magnetic material – true or false?

#23. Are biofuels renewable?

#24. A car makes a journey to the shop and back. Calculate the overall displacement travelled by the car.

#25. Calculate the acceleration of the object in the graph between 5 and 6 seconds.

#26. Is solar power renewable?

#27. Are gases fluids?

#28. Is energy a vector or a scalar?

#29. Determine the speed of the object between 1 and 3 seconds. ? answer to 2 decimal places

#30. Which of the following is the correct equation for work done?

#31. Calculate the overall distance travelled by the object in the graph.

#32. Which of the following is an advantage of non-renewable energy sources?

#33. Which of the following is a difference between circuit breakers and fuses?

#34. Wave speed is linked to wave frequency and wavelength by which equation?

#35. What is the function of a variable resistor?

#36. Renewable energy resources mostly get their energy from the same source what is this source?

#37. What is this component?

#38. Our eyes can detect certain frequencies of light, what do we call these frequencies?

#39. Which of the following is the source of coal?

#40. What is an ion?

#41. What is the longest wavelength of electromagnetic radiation

#42. Is hydroelectric renewable?

#43. A current carrying conductor placed near a magnet experiences a force. The magnet also experiences a force, which is the best description of this force?

#44. What is happening to the speed of the object in the graph between 0 and 8 seconds?

#45. Complete the equation for weight. W = m x ……..

#46. What is induced magnetism?

#47. Which of the following can be used to measure reaction times?

#48. What are the units we use for measuring energy?

#49. Complete the sentence: different substances may absorb, transmit, refract or reflect electromagnetic waves in ways that vary with …….

#50. Which component is described: A glass tube with a thin wire inside that melts if too much current passes through it, breaking the circuit.

#51. What is a resultant force?

#52. How is gravitational potential energy stored?

#53. Complete the equation for power. Power (W) = work done (J) / ……..

#54. Which of the following are ways that a magnetic field of an electromagnet can be made stronger?

#55. What is this component?

#56. In a parallel circuit, is the potential difference across each branch –

#57. In an equilibrium situation – the forces between two objects are?

#58. Cavity walls are often used to reduce heat loss through walls – why is this effective?

#59. True or False – Vector quantities only have magnitude?

#60. What is this component?

#61. Using the equation F = MA – calculate the force of a ball with a mass of 15kg that is accelerated at 2m/s²?

#62. What is this Sankey Diagram showing?

#63. Which form of radiation is most ionising?

#64. During Ernest Rutherford’s experiments with gold foil, why did some of the particles bounce back?

#65. What is the name of the phase change from solid to liquid?

#66. A train is travelling at 45 miles per hour. The driver puts on the brakes in order to stop at the station. Where is the kinetic energy of the train being transferred to?

#67. What is this component?

#68. What is this component?

#69. What is the name of the phase change from liquid to solid?

#70. Which form of radiation is least ionising?

#71. Is coal renewable?

#72. What wavelength of the electromagnetic spectrum is useful for cooking?

#73. What is the function of a diode?

#74. Which of the following is a disadvantage of tidal energy generation?

#75. Is oil renewable?

#76. What is acceleration?

#77. What do we call the energy transferred by a force?

#78. The diagram shows a solenoid. Why is the magnetic field stronger along the centre of the coil than on the outside? ? Select two answers